/Engine/Plugins/Interchange/Runtime/Source/Nodes/Public/InterchangeShaderGraphNode.h
A shader graph has its own set of inputs on which shader nodes can be connected to.
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(BlueprintType, Experimental) class UInterchangeShaderGraphNode : public [UInterchangeShaderNode](API\Plugins\InterchangeNodes\UInterchangeShaderNode)